* inode to disk.
*/
-int ext3_sync_file(struct file *file, int datasync)
+int ext3_sync_file(struct file *file, loff_t start, loff_t end, int datasync)
{
struct inode *inode = file->f_mapping->host;
struct ext3_inode_info *ei = EXT3_I(inode);
int ret, needs_barrier = 0;
tid_t commit_tid;
- J_ASSERT(ext3_journal_current_handle() == NULL);
-
trace_ext3_sync_file_enter(file, datasync);
if (inode->i_sb->s_flags & MS_RDONLY)
return 0;
+ ret = filemap_write_and_wait_range(inode->i_mapping, start, end);
+ if (ret)
+ goto out;
+
+ /*
+ * Taking the mutex here just to keep consistent with how fsync was
+ * called previously, however it looks like we don't need to take
+ * i_mutex at all.
+ */
+ mutex_lock(&inode->i_mutex);
+
+ J_ASSERT(ext3_journal_current_handle() == NULL);
/*
* data=writeback,ordered:
* safe in-journal, which is all fsync() needs to ensure.
*/
if (ext3_should_journal_data(inode)) {
+ mutex_unlock(&inode->i_mutex);
ret = ext3_force_commit(inode->i_sb);
goto out;
}
if (needs_barrier)
blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL, NULL);
+ mutex_unlock(&inode->i_mutex);
out:
trace_ext3_sync_file_exit(inode, ret);
return ret;